Portable warning light



FIG. 1 is a front perspective view of a portable warning light showing my new design; _

FIG. 2 is a side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof on an enlarged scale; and

FIG. 5 is a top plan view thereof on an enlarged scale.

The standard is broken away in FIGS. 1, 2 and 3 to indicate indeterminate length. 

The ornamental design for a portable warning light, as shown and described. 